#150D5B#150D5B

#150D5B is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.3% C 0.129 H 275.4°. Best body text is #FFFFFF at 16.93:1 contrast (WCAG AA passes).

Color values

HEX	#150D5B
RGB	rgb(21, 13, 91)
HSL	hsl(246, 75%, 20%)
HSV	hsv(246, 86%, 36%)
CMYK	cmyk(76.9%, 85.7%, 0%, 64.3%)
CIE-LAB	lab(10.58, 30.93, -44.43)
CIE-LCH	lch(10.58, 54.13, 304.84°)
OKLab	oklab(24.28% 0.0122 -0.1285)
OKLCH	oklch(24.28% 0.129 275.4)
XYZ	xyz(2.3409, 1.2024, 10.0042)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150D5B #535B0D

analogous

#0D2C5B #150D5B #3C0D5B

triadic

#150D5B #5B150D #0D5B15

tetradic

#150D5B #5B0D2C #535B0D #0D5B3C

square

#150D5B #5B0D2C #535B0D #0D5B3C

split-complementary

#150D5B #5B3C0D #2C5B0D

monochromatic

#06041B #090525 #150D5B #211591 #2E1CC6

Accessibility & contrast

On white

16.93

#150D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#150D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150D5B

16.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150D5B	#FFFFFF	#000000	##FFFFFF
##150D5B	1.00	16.93	1.24	16.93
#FFFFFF	16.93	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00205D

Deuteranopia (green-blind)

#00195A

Tritanopia (blue-blind)

#002534

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #150d5b;
/* rgb */ color: rgb(21, 13, 91);
/* oklch */ color: oklch(24.3% 0.129 275.4);

Tailwind

colors: {
  custom: {
    50: '#604e8a',
    500: '#150d5b',
    950: '#000000',
  },
}

SCSS

$custom: #150d5b;
$custom-light: #604e8a;
$custom-dark: #000000;

JSON

{
  "hex": "#150d5b",
  "rgb": {
    "r": 21,
    "g": 13,
    "b": 91
  },
  "hsl": {
    "h": 246.154,
    "s": 75,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24276,
    "c": 0.12904,
    "h": 275.4
  },
  "luminance": 0.01203
}

Semantic roles & 50–950 ramp

primary

#150D5B

secondary

#8B952F

accent

#F236DE

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #150D5B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →